What principally distinguishes “lā ḥukma bi-lā bayyina” from an elliptical “baʿda al-faḥṣ”?

Supplementary Practice 13: Attribution, Quotation and Evidential Restraint in Rhetorical Analysis

• Both must omit the same construct noun
• The first is a circumstance and the second an adjective
• The first condenses a maxim; the second relies on an omitted, recoverable verb
• Every word in the first is redundant and the second repeats each word